Home / 5,319.61-7,342.67-3,082.03

Finding the Fourth Proportional to 5,319.61, 7,342.67 and 3,082.03

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Solution

The fourth proportional to 5,319.61, 7,342.67 and 3,082.03 is: 4,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.61 : 7,342.67 = 3,082.03 : x
  2. Step 2: Convert to fraction form
    5,319.61/7,342.67 = 3,082.03/x
  3. Step 3: Cross multiply
    5,319.61x = 7,342.67 × 3,082.03
  4. Step 4: Simplify right side
    5,319.61x = 22,630,329.22
  5. Step 5: Solve for x
    x = 22,630,329.22/5,319.61
  6. Step 6: Final answer
    x = 4,254.13

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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.