Home / 5,426.17-8,139.54-1,530.88

Finding the Fourth Proportional to 5,426.17, 8,139.54 and 1,530.88

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Solution

The fourth proportional to 5,426.17, 8,139.54 and 1,530.88 is: 2,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.17 : 8,139.54 = 1,530.88 : x
  2. Step 2: Convert to fraction form
    5,426.17/8,139.54 = 1,530.88/x
  3. Step 3: Cross multiply
    5,426.17x = 8,139.54 × 1,530.88
  4. Step 4: Simplify right side
    5,426.17x = 12,460,659.00
  5. Step 5: Solve for x
    x = 12,460,659.00/5,426.17
  6. Step 6: Final answer
    x = 2,296.40

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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.