Home / 6,505.19-8,981.56-4,270.87

Finding the Fourth Proportional to 6,505.19, 8,981.56 and 4,270.87

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Solution

The fourth proportional to 6,505.19, 8,981.56 and 4,270.87 is: 5,896.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.19 : 8,981.56 = 4,270.87 : x
  2. Step 2: Convert to fraction form
    6,505.19/8,981.56 = 4,270.87/x
  3. Step 3: Cross multiply
    6,505.19x = 8,981.56 × 4,270.87
  4. Step 4: Simplify right side
    6,505.19x = 38,359,030.25
  5. Step 5: Solve for x
    x = 38,359,030.25/6,505.19
  6. Step 6: Final answer
    x = 5,896.68

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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.