Home / 7,661.12-10,572.49-4,258.45

Finding the Fourth Proportional to 7,661.12, 10,572.49 and 4,258.45

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Solution

The fourth proportional to 7,661.12, 10,572.49 and 4,258.45 is: 5,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.12 : 10,572.49 = 4,258.45 : x
  2. Step 2: Convert to fraction form
    7,661.12/10,572.49 = 4,258.45/x
  3. Step 3: Cross multiply
    7,661.12x = 10,572.49 × 4,258.45
  4. Step 4: Simplify right side
    7,661.12x = 45,022,457.12
  5. Step 5: Solve for x
    x = 45,022,457.12/7,661.12
  6. Step 6: Final answer
    x = 5,876.74

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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.