Home / 5,339.76-8,013.56-4,312.05

Finding the Fourth Proportional to 5,339.76, 8,013.56 and 4,312.05

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Solution

The fourth proportional to 5,339.76, 8,013.56 and 4,312.05 is: 6,471.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.76 : 8,013.56 = 4,312.05 : x
  2. Step 2: Convert to fraction form
    5,339.76/8,013.56 = 4,312.05/x
  3. Step 3: Cross multiply
    5,339.76x = 8,013.56 × 4,312.05
  4. Step 4: Simplify right side
    5,339.76x = 34,554,849.84
  5. Step 5: Solve for x
    x = 34,554,849.84/5,339.76
  6. Step 6: Final answer
    x = 6,471.24

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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.