Home / 8,802.60-13,207.40-2,960.88

Finding the Fourth Proportional to 8,802.60, 13,207.40 and 2,960.88

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Solution

The fourth proportional to 8,802.60, 13,207.40 and 2,960.88 is: 4,442.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.60 : 13,207.40 = 2,960.88 : x
  2. Step 2: Convert to fraction form
    8,802.60/13,207.40 = 2,960.88/x
  3. Step 3: Cross multiply
    8,802.60x = 13,207.40 × 2,960.88
  4. Step 4: Simplify right side
    8,802.60x = 39,105,526.51
  5. Step 5: Solve for x
    x = 39,105,526.51/8,802.60
  6. Step 6: Final answer
    x = 4,442.50

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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.