Home / 8,437.32-11,640.69-5,456.93

Finding the Fourth Proportional to 8,437.32, 11,640.69 and 5,456.93

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Solution

The fourth proportional to 8,437.32, 11,640.69 and 5,456.93 is: 7,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.32 : 11,640.69 = 5,456.93 : x
  2. Step 2: Convert to fraction form
    8,437.32/11,640.69 = 5,456.93/x
  3. Step 3: Cross multiply
    8,437.32x = 11,640.69 × 5,456.93
  4. Step 4: Simplify right side
    8,437.32x = 63,522,430.48
  5. Step 5: Solve for x
    x = 63,522,430.48/8,437.32
  6. Step 6: Final answer
    x = 7,528.74

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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.