Home / 5,319.65-7,342.40-3,082.76

Finding the Fourth Proportional to 5,319.65, 7,342.40 and 3,082.76

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Solution

The fourth proportional to 5,319.65, 7,342.40 and 3,082.76 is: 4,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.65 : 7,342.40 = 3,082.76 : x
  2. Step 2: Convert to fraction form
    5,319.65/7,342.40 = 3,082.76/x
  3. Step 3: Cross multiply
    5,319.65x = 7,342.40 × 3,082.76
  4. Step 4: Simplify right side
    5,319.65x = 22,634,838.21
  5. Step 5: Solve for x
    x = 22,634,838.21/5,319.65
  6. Step 6: Final answer
    x = 4,254.95

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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.