Home / 7,446.25-10,275.80-4,088.95

Finding the Fourth Proportional to 7,446.25, 10,275.80 and 4,088.95

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Solution

The fourth proportional to 7,446.25, 10,275.80 and 4,088.95 is: 5,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.25 : 10,275.80 = 4,088.95 : x
  2. Step 2: Convert to fraction form
    7,446.25/10,275.80 = 4,088.95/x
  3. Step 3: Cross multiply
    7,446.25x = 10,275.80 × 4,088.95
  4. Step 4: Simplify right side
    7,446.25x = 42,017,201.61
  5. Step 5: Solve for x
    x = 42,017,201.61/7,446.25
  6. Step 6: Final answer
    x = 5,642.74

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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.