Home / 9,135.60-13,703.40-4,752.49

Finding the Fourth Proportional to 9,135.60, 13,703.40 and 4,752.49

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Solution

The fourth proportional to 9,135.60, 13,703.40 and 4,752.49 is: 7,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.60 : 13,703.40 = 4,752.49 : x
  2. Step 2: Convert to fraction form
    9,135.60/13,703.40 = 4,752.49/x
  3. Step 3: Cross multiply
    9,135.60x = 13,703.40 × 4,752.49
  4. Step 4: Simplify right side
    9,135.60x = 65,125,271.47
  5. Step 5: Solve for x
    x = 65,125,271.47/9,135.60
  6. Step 6: Final answer
    x = 7,128.74

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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.