Home / 8,685.24-13,045.29-5,182.08

Finding the Fourth Proportional to 8,685.24, 13,045.29 and 5,182.08

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Solution

The fourth proportional to 8,685.24, 13,045.29 and 5,182.08 is: 7,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.24 : 13,045.29 = 5,182.08 : x
  2. Step 2: Convert to fraction form
    8,685.24/13,045.29 = 5,182.08/x
  3. Step 3: Cross multiply
    8,685.24x = 13,045.29 × 5,182.08
  4. Step 4: Simplify right side
    8,685.24x = 67,601,759.19
  5. Step 5: Solve for x
    x = 67,601,759.19/8,685.24
  6. Step 6: Final answer
    x = 7,783.52

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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.