Home / 8,437.10-11,643.20-4,711.10

Finding the Fourth Proportional to 8,437.10, 11,643.20 and 4,711.10

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Solution

The fourth proportional to 8,437.10, 11,643.20 and 4,711.10 is: 6,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.10 : 11,643.20 = 4,711.10 : x
  2. Step 2: Convert to fraction form
    8,437.10/11,643.20 = 4,711.10/x
  3. Step 3: Cross multiply
    8,437.10x = 11,643.20 × 4,711.10
  4. Step 4: Simplify right side
    8,437.10x = 54,852,226.86
  5. Step 5: Solve for x
    x = 54,852,226.86/8,437.10
  6. Step 6: Final answer
    x = 6,501.31

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Half scale
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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.