Home / 7,130.17-10,696.18-2,748.88

Finding the Fourth Proportional to 7,130.17, 10,696.18 and 2,748.88

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Solution

The fourth proportional to 7,130.17, 10,696.18 and 2,748.88 is: 4,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.17 : 10,696.18 = 2,748.88 : x
  2. Step 2: Convert to fraction form
    7,130.17/10,696.18 = 2,748.88/x
  3. Step 3: Cross multiply
    7,130.17x = 10,696.18 × 2,748.88
  4. Step 4: Simplify right side
    7,130.17x = 29,402,515.28
  5. Step 5: Solve for x
    x = 29,402,515.28/7,130.17
  6. Step 6: Final answer
    x = 4,123.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.