Home / 7,242.24-9,995.20-4,258.36

Finding the Fourth Proportional to 7,242.24, 9,995.20 and 4,258.36

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Solution

The fourth proportional to 7,242.24, 9,995.20 and 4,258.36 is: 5,877.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.24 : 9,995.20 = 4,258.36 : x
  2. Step 2: Convert to fraction form
    7,242.24/9,995.20 = 4,258.36/x
  3. Step 3: Cross multiply
    7,242.24x = 9,995.20 × 4,258.36
  4. Step 4: Simplify right side
    7,242.24x = 42,563,159.87
  5. Step 5: Solve for x
    x = 42,563,159.87/7,242.24
  6. Step 6: Final answer
    x = 5,877.07

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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.