Home / 8,925.24-12,319.38-5,388.69

Finding the Fourth Proportional to 8,925.24, 12,319.38 and 5,388.69

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Solution

The fourth proportional to 8,925.24, 12,319.38 and 5,388.69 is: 7,437.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.24 : 12,319.38 = 5,388.69 : x
  2. Step 2: Convert to fraction form
    8,925.24/12,319.38 = 5,388.69/x
  3. Step 3: Cross multiply
    8,925.24x = 12,319.38 × 5,388.69
  4. Step 4: Simplify right side
    8,925.24x = 66,385,319.81
  5. Step 5: Solve for x
    x = 66,385,319.81/8,925.24
  6. Step 6: Final answer
    x = 7,437.93

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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.