Home / 7,038-9,711.45-5,980.05

Finding the Fourth Proportional to 7,038, 9,711.45 and 5,980.05

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Solution

The fourth proportional to 7,038, 9,711.45 and 5,980.05 is: 8,251.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038 : 9,711.45 = 5,980.05 : x
  2. Step 2: Convert to fraction form
    7,038/9,711.45 = 5,980.05/x
  3. Step 3: Cross multiply
    7,038x = 9,711.45 × 5,980.05
  4. Step 4: Simplify right side
    7,038x = 58,074,956.57
  5. Step 5: Solve for x
    x = 58,074,956.57/7,038
  6. Step 6: Final answer
    x = 8,251.63

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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.