Home / 7,445.48-10,274.28-4,259.12

Finding the Fourth Proportional to 7,445.48, 10,274.28 and 4,259.12

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Solution

The fourth proportional to 7,445.48, 10,274.28 and 4,259.12 is: 5,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.48 : 10,274.28 = 4,259.12 : x
  2. Step 2: Convert to fraction form
    7,445.48/10,274.28 = 4,259.12/x
  3. Step 3: Cross multiply
    7,445.48x = 10,274.28 × 4,259.12
  4. Step 4: Simplify right side
    7,445.48x = 43,759,391.43
  5. Step 5: Solve for x
    x = 43,759,391.43/7,445.48
  6. Step 6: Final answer
    x = 5,877.31

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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.