Home / 6,660.06-9,192.99-4,140.68

Finding the Fourth Proportional to 6,660.06, 9,192.99 and 4,140.68

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Solution

The fourth proportional to 6,660.06, 9,192.99 and 4,140.68 is: 5,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.06 : 9,192.99 = 4,140.68 : x
  2. Step 2: Convert to fraction form
    6,660.06/9,192.99 = 4,140.68/x
  3. Step 3: Cross multiply
    6,660.06x = 9,192.99 × 4,140.68
  4. Step 4: Simplify right side
    6,660.06x = 38,065,264.03
  5. Step 5: Solve for x
    x = 38,065,264.03/6,660.06
  6. Step 6: Final answer
    x = 5,715.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.