Home / 5,527.50-8,291.28-1,423.50

Finding the Fourth Proportional to 5,527.50, 8,291.28 and 1,423.50

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Solution

The fourth proportional to 5,527.50, 8,291.28 and 1,423.50 is: 2,135.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.50 : 8,291.28 = 1,423.50 : x
  2. Step 2: Convert to fraction form
    5,527.50/8,291.28 = 1,423.50/x
  3. Step 3: Cross multiply
    5,527.50x = 8,291.28 × 1,423.50
  4. Step 4: Simplify right side
    5,527.50x = 11,802,637.08
  5. Step 5: Solve for x
    x = 11,802,637.08/5,527.50
  6. Step 6: Final answer
    x = 2,135.26

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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.