Home / 5,434.23-8,148.58-2,656.74

Finding the Fourth Proportional to 5,434.23, 8,148.58 and 2,656.74

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Solution

The fourth proportional to 5,434.23, 8,148.58 and 2,656.74 is: 3,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.23 : 8,148.58 = 2,656.74 : x
  2. Step 2: Convert to fraction form
    5,434.23/8,148.58 = 2,656.74/x
  3. Step 3: Cross multiply
    5,434.23x = 8,148.58 × 2,656.74
  4. Step 4: Simplify right side
    5,434.23x = 21,648,658.43
  5. Step 5: Solve for x
    x = 21,648,658.43/5,434.23
  6. Step 6: Final answer
    x = 3,983.76

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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.