Home / 8,878.48-13,306.07-7,637.36

Finding the Fourth Proportional to 8,878.48, 13,306.07 and 7,637.36

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Solution

The fourth proportional to 8,878.48, 13,306.07 and 7,637.36 is: 11,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,878.48 : 13,306.07 = 7,637.36 : x
  2. Step 2: Convert to fraction form
    8,878.48/13,306.07 = 7,637.36/x
  3. Step 3: Cross multiply
    8,878.48x = 13,306.07 × 7,637.36
  4. Step 4: Simplify right side
    8,878.48x = 101,623,199.34
  5. Step 5: Solve for x
    x = 101,623,199.34/8,878.48
  6. Step 6: Final answer
    x = 11,446.02

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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.