Home / 5,422.30-8,133.59-1,526.68

Finding the Fourth Proportional to 5,422.30, 8,133.59 and 1,526.68

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Solution

The fourth proportional to 5,422.30, 8,133.59 and 1,526.68 is: 2,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.30 : 8,133.59 = 1,526.68 : x
  2. Step 2: Convert to fraction form
    5,422.30/8,133.59 = 1,526.68/x
  3. Step 3: Cross multiply
    5,422.30x = 8,133.59 × 1,526.68
  4. Step 4: Simplify right side
    5,422.30x = 12,417,389.18
  5. Step 5: Solve for x
    x = 12,417,389.18/5,422.30
  6. Step 6: Final answer
    x = 2,290.06

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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.