Home / 4,305.48-6,457.74-1,185.72

Finding the Fourth Proportional to 4,305.48, 6,457.74 and 1,185.72

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Solution

The fourth proportional to 4,305.48, 6,457.74 and 1,185.72 is: 1,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.48 : 6,457.74 = 1,185.72 : x
  2. Step 2: Convert to fraction form
    4,305.48/6,457.74 = 1,185.72/x
  3. Step 3: Cross multiply
    4,305.48x = 6,457.74 × 1,185.72
  4. Step 4: Simplify right side
    4,305.48x = 7,657,071.47
  5. Step 5: Solve for x
    x = 7,657,071.47/4,305.48
  6. Step 6: Final answer
    x = 1,778.45

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.