Home / 7,587.20-10,470.47-4,443.39

Finding the Fourth Proportional to 7,587.20, 10,470.47 and 4,443.39

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Solution

The fourth proportional to 7,587.20, 10,470.47 and 4,443.39 is: 6,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.20 : 10,470.47 = 4,443.39 : x
  2. Step 2: Convert to fraction form
    7,587.20/10,470.47 = 4,443.39/x
  3. Step 3: Cross multiply
    7,587.20x = 10,470.47 × 4,443.39
  4. Step 4: Simplify right side
    7,587.20x = 46,524,359.48
  5. Step 5: Solve for x
    x = 46,524,359.48/7,587.20
  6. Step 6: Final answer
    x = 6,131.95

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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.