Home / 7,445.40-10,275.47-4,258.99

Finding the Fourth Proportional to 7,445.40, 10,275.47 and 4,258.99

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Solution

The fourth proportional to 7,445.40, 10,275.47 and 4,258.99 is: 5,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.40 : 10,275.47 = 4,258.99 : x
  2. Step 2: Convert to fraction form
    7,445.40/10,275.47 = 4,258.99/x
  3. Step 3: Cross multiply
    7,445.40x = 10,275.47 × 4,258.99
  4. Step 4: Simplify right side
    7,445.40x = 43,763,061.72
  5. Step 5: Solve for x
    x = 43,763,061.72/7,445.40
  6. Step 6: Final answer
    x = 5,877.87

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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.