Home / 5,434.02-8,151.06-1,538.43

Finding the Fourth Proportional to 5,434.02, 8,151.06 and 1,538.43

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Solution

The fourth proportional to 5,434.02, 8,151.06 and 1,538.43 is: 2,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.02 : 8,151.06 = 1,538.43 : x
  2. Step 2: Convert to fraction form
    5,434.02/8,151.06 = 1,538.43/x
  3. Step 3: Cross multiply
    5,434.02x = 8,151.06 × 1,538.43
  4. Step 4: Simplify right side
    5,434.02x = 12,539,835.24
  5. Step 5: Solve for x
    x = 12,539,835.24/5,434.02
  6. Step 6: Final answer
    x = 2,307.65

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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.