Home / 8,411.13-11,607.35-4,685.13

Finding the Fourth Proportional to 8,411.13, 11,607.35 and 4,685.13

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Solution

The fourth proportional to 8,411.13, 11,607.35 and 4,685.13 is: 6,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411.13 : 11,607.35 = 4,685.13 : x
  2. Step 2: Convert to fraction form
    8,411.13/11,607.35 = 4,685.13/x
  3. Step 3: Cross multiply
    8,411.13x = 11,607.35 × 4,685.13
  4. Step 4: Simplify right side
    8,411.13x = 54,381,943.71
  5. Step 5: Solve for x
    x = 54,381,943.71/8,411.13
  6. Step 6: Final answer
    x = 6,465.47

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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.