Home / 7,026.76-10,534.06-3,128.20

Finding the Fourth Proportional to 7,026.76, 10,534.06 and 3,128.20

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Solution

The fourth proportional to 7,026.76, 10,534.06 and 3,128.20 is: 4,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026.76 : 10,534.06 = 3,128.20 : x
  2. Step 2: Convert to fraction form
    7,026.76/10,534.06 = 3,128.20/x
  3. Step 3: Cross multiply
    7,026.76x = 10,534.06 × 3,128.20
  4. Step 4: Simplify right side
    7,026.76x = 32,952,646.49
  5. Step 5: Solve for x
    x = 32,952,646.49/7,026.76
  6. Step 6: Final answer
    x = 4,689.59

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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.