Home / 5,423.01-8,133.79-1,527.72

Finding the Fourth Proportional to 5,423.01, 8,133.79 and 1,527.72

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Solution

The fourth proportional to 5,423.01, 8,133.79 and 1,527.72 is: 2,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.01 : 8,133.79 = 1,527.72 : x
  2. Step 2: Convert to fraction form
    5,423.01/8,133.79 = 1,527.72/x
  3. Step 3: Cross multiply
    5,423.01x = 8,133.79 × 1,527.72
  4. Step 4: Simplify right side
    5,423.01x = 12,426,153.66
  5. Step 5: Solve for x
    x = 12,426,153.66/5,423.01
  6. Step 6: Final answer
    x = 2,291.38

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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.