Home / 5,424.30-7,485.24-3,506.76

Finding the Fourth Proportional to 5,424.30, 7,485.24 and 3,506.76

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Solution

The fourth proportional to 5,424.30, 7,485.24 and 3,506.76 is: 4,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.30 : 7,485.24 = 3,506.76 : x
  2. Step 2: Convert to fraction form
    5,424.30/7,485.24 = 3,506.76/x
  3. Step 3: Cross multiply
    5,424.30x = 7,485.24 × 3,506.76
  4. Step 4: Simplify right side
    5,424.30x = 26,248,940.22
  5. Step 5: Solve for x
    x = 26,248,940.22/5,424.30
  6. Step 6: Final answer
    x = 4,839.14

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Half scale
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Double scale
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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.