Home / 7,543.43-10,411.18-4,187.32

Finding the Fourth Proportional to 7,543.43, 10,411.18 and 4,187.32

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Solution

The fourth proportional to 7,543.43, 10,411.18 and 4,187.32 is: 5,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.43 : 10,411.18 = 4,187.32 : x
  2. Step 2: Convert to fraction form
    7,543.43/10,411.18 = 4,187.32/x
  3. Step 3: Cross multiply
    7,543.43x = 10,411.18 × 4,187.32
  4. Step 4: Simplify right side
    7,543.43x = 43,594,905.74
  5. Step 5: Solve for x
    x = 43,594,905.74/7,543.43
  6. Step 6: Final answer
    x = 5,779.19

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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.