Home / 7,477.79-10,319.13-4,494.33

Finding the Fourth Proportional to 7,477.79, 10,319.13 and 4,494.33

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Solution

The fourth proportional to 7,477.79, 10,319.13 and 4,494.33 is: 6,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.79 : 10,319.13 = 4,494.33 : x
  2. Step 2: Convert to fraction form
    7,477.79/10,319.13 = 4,494.33/x
  3. Step 3: Cross multiply
    7,477.79x = 10,319.13 × 4,494.33
  4. Step 4: Simplify right side
    7,477.79x = 46,377,575.53
  5. Step 5: Solve for x
    x = 46,377,575.53/7,477.79
  6. Step 6: Final answer
    x = 6,202.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.