Home / 7,899.34-10,901.55-4,711.80

Finding the Fourth Proportional to 7,899.34, 10,901.55 and 4,711.80

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Solution

The fourth proportional to 7,899.34, 10,901.55 and 4,711.80 is: 6,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.34 : 10,901.55 = 4,711.80 : x
  2. Step 2: Convert to fraction form
    7,899.34/10,901.55 = 4,711.80/x
  3. Step 3: Cross multiply
    7,899.34x = 10,901.55 × 4,711.80
  4. Step 4: Simplify right side
    7,899.34x = 51,365,923.29
  5. Step 5: Solve for x
    x = 51,365,923.29/7,899.34
  6. Step 6: Final answer
    x = 6,502.56

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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.