Home / 7,382.12-10,187.48-4,398.52

Finding the Fourth Proportional to 7,382.12, 10,187.48 and 4,398.52

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Solution

The fourth proportional to 7,382.12, 10,187.48 and 4,398.52 is: 6,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.12 : 10,187.48 = 4,398.52 : x
  2. Step 2: Convert to fraction form
    7,382.12/10,187.48 = 4,398.52/x
  3. Step 3: Cross multiply
    7,382.12x = 10,187.48 × 4,398.52
  4. Step 4: Simplify right side
    7,382.12x = 44,809,834.53
  5. Step 5: Solve for x
    x = 44,809,834.53/7,382.12
  6. Step 6: Final answer
    x = 6,070.05

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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.