Home / 5,437.12-8,157.05-1,541.56

Finding the Fourth Proportional to 5,437.12, 8,157.05 and 1,541.56

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Solution

The fourth proportional to 5,437.12, 8,157.05 and 1,541.56 is: 2,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.12 : 8,157.05 = 1,541.56 : x
  2. Step 2: Convert to fraction form
    5,437.12/8,157.05 = 1,541.56/x
  3. Step 3: Cross multiply
    5,437.12x = 8,157.05 × 1,541.56
  4. Step 4: Simplify right side
    5,437.12x = 12,574,582.00
  5. Step 5: Solve for x
    x = 12,574,582.00/5,437.12
  6. Step 6: Final answer
    x = 2,312.73

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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.