Home / 7,446.05-10,275.35-4,088.78

Finding the Fourth Proportional to 7,446.05, 10,275.35 and 4,088.78

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Solution

The fourth proportional to 7,446.05, 10,275.35 and 4,088.78 is: 5,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.05 : 10,275.35 = 4,088.78 : x
  2. Step 2: Convert to fraction form
    7,446.05/10,275.35 = 4,088.78/x
  3. Step 3: Cross multiply
    7,446.05x = 10,275.35 × 4,088.78
  4. Step 4: Simplify right side
    7,446.05x = 42,013,573.75
  5. Step 5: Solve for x
    x = 42,013,573.75/7,446.05
  6. Step 6: Final answer
    x = 5,642.40

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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.