Home / 8,988.90-13,477.52-4,308.80

Finding the Fourth Proportional to 8,988.90, 13,477.52 and 4,308.80

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Solution

The fourth proportional to 8,988.90, 13,477.52 and 4,308.80 is: 6,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.90 : 13,477.52 = 4,308.80 : x
  2. Step 2: Convert to fraction form
    8,988.90/13,477.52 = 4,308.80/x
  3. Step 3: Cross multiply
    8,988.90x = 13,477.52 × 4,308.80
  4. Step 4: Simplify right side
    8,988.90x = 58,071,849.24
  5. Step 5: Solve for x
    x = 58,071,849.24/8,988.90
  6. Step 6: Final answer
    x = 6,460.40

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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.