Home / 9,035.40-12,468.48-5,055.78

Finding the Fourth Proportional to 9,035.40, 12,468.48 and 5,055.78

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Solution

The fourth proportional to 9,035.40, 12,468.48 and 5,055.78 is: 6,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,035.40 : 12,468.48 = 5,055.78 : x
  2. Step 2: Convert to fraction form
    9,035.40/12,468.48 = 5,055.78/x
  3. Step 3: Cross multiply
    9,035.40x = 12,468.48 × 5,055.78
  4. Step 4: Simplify right side
    9,035.40x = 63,037,891.81
  5. Step 5: Solve for x
    x = 63,037,891.81/9,035.40
  6. Step 6: Final answer
    x = 6,976.77

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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.