Home / 5,426.46-8,139.03-2,307.72

Finding the Fourth Proportional to 5,426.46, 8,139.03 and 2,307.72

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Solution

The fourth proportional to 5,426.46, 8,139.03 and 2,307.72 is: 3,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.46 : 8,139.03 = 2,307.72 : x
  2. Step 2: Convert to fraction form
    5,426.46/8,139.03 = 2,307.72/x
  3. Step 3: Cross multiply
    5,426.46x = 8,139.03 × 2,307.72
  4. Step 4: Simplify right side
    5,426.46x = 18,782,602.31
  5. Step 5: Solve for x
    x = 18,782,602.31/5,426.46
  6. Step 6: Final answer
    x = 3,461.30

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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.