Home / 9,612.59-13,265.36-5,420.84

Finding the Fourth Proportional to 9,612.59, 13,265.36 and 5,420.84

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Solution

The fourth proportional to 9,612.59, 13,265.36 and 5,420.84 is: 7,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.59 : 13,265.36 = 5,420.84 : x
  2. Step 2: Convert to fraction form
    9,612.59/13,265.36 = 5,420.84/x
  3. Step 3: Cross multiply
    9,612.59x = 13,265.36 × 5,420.84
  4. Step 4: Simplify right side
    9,612.59x = 71,909,300.67
  5. Step 5: Solve for x
    x = 71,909,300.67/9,612.59
  6. Step 6: Final answer
    x = 7,480.75

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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.