Home / 7,440.08-10,267.28-4,082.95

Finding the Fourth Proportional to 7,440.08, 10,267.28 and 4,082.95

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Solution

The fourth proportional to 7,440.08, 10,267.28 and 4,082.95 is: 5,634.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.08 : 10,267.28 = 4,082.95 : x
  2. Step 2: Convert to fraction form
    7,440.08/10,267.28 = 4,082.95/x
  3. Step 3: Cross multiply
    7,440.08x = 10,267.28 × 4,082.95
  4. Step 4: Simplify right side
    7,440.08x = 41,920,763.99
  5. Step 5: Solve for x
    x = 41,920,763.99/7,440.08
  6. Step 6: Final answer
    x = 5,634.45

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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.