Home / 7,008.90-10,518.56-3,312.26

Finding the Fourth Proportional to 7,008.90, 10,518.56 and 3,312.26

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Solution

The fourth proportional to 7,008.90, 10,518.56 and 3,312.26 is: 4,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.90 : 10,518.56 = 3,312.26 : x
  2. Step 2: Convert to fraction form
    7,008.90/10,518.56 = 3,312.26/x
  3. Step 3: Cross multiply
    7,008.90x = 10,518.56 × 3,312.26
  4. Step 4: Simplify right side
    7,008.90x = 34,840,188.26
  5. Step 5: Solve for x
    x = 34,840,188.26/7,008.90
  6. Step 6: Final answer
    x = 4,970.85

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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.