Home / 7,320.95-10,102.91-4,177.14

Finding the Fourth Proportional to 7,320.95, 10,102.91 and 4,177.14

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Solution

The fourth proportional to 7,320.95, 10,102.91 and 4,177.14 is: 5,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.95 : 10,102.91 = 4,177.14 : x
  2. Step 2: Convert to fraction form
    7,320.95/10,102.91 = 4,177.14/x
  3. Step 3: Cross multiply
    7,320.95x = 10,102.91 × 4,177.14
  4. Step 4: Simplify right side
    7,320.95x = 42,201,248.59
  5. Step 5: Solve for x
    x = 42,201,248.59/7,320.95
  6. Step 6: Final answer
    x = 5,764.45

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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.