Home / 8,862.36-12,228.50-5,325.65

Finding the Fourth Proportional to 8,862.36, 12,228.50 and 5,325.65

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Solution

The fourth proportional to 8,862.36, 12,228.50 and 5,325.65 is: 7,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.36 : 12,228.50 = 5,325.65 : x
  2. Step 2: Convert to fraction form
    8,862.36/12,228.50 = 5,325.65/x
  3. Step 3: Cross multiply
    8,862.36x = 12,228.50 × 5,325.65
  4. Step 4: Simplify right side
    8,862.36x = 65,124,623.25
  5. Step 5: Solve for x
    x = 65,124,623.25/8,862.36
  6. Step 6: Final answer
    x = 7,348.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.