Home / 6,981.48-10,440.72-6,206.04

Finding the Fourth Proportional to 6,981.48, 10,440.72 and 6,206.04

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Solution

The fourth proportional to 6,981.48, 10,440.72 and 6,206.04 is: 9,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.48 : 10,440.72 = 6,206.04 : x
  2. Step 2: Convert to fraction form
    6,981.48/10,440.72 = 6,206.04/x
  3. Step 3: Cross multiply
    6,981.48x = 10,440.72 × 6,206.04
  4. Step 4: Simplify right side
    6,981.48x = 64,795,525.95
  5. Step 5: Solve for x
    x = 64,795,525.95/6,981.48
  6. Step 6: Final answer
    x = 9,281.06

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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.