Home / 9,210.48-12,721.02-6,080.64

Finding the Fourth Proportional to 9,210.48, 12,721.02 and 6,080.64

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Solution

The fourth proportional to 9,210.48, 12,721.02 and 6,080.64 is: 8,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.48 : 12,721.02 = 6,080.64 : x
  2. Step 2: Convert to fraction form
    9,210.48/12,721.02 = 6,080.64/x
  3. Step 3: Cross multiply
    9,210.48x = 12,721.02 × 6,080.64
  4. Step 4: Simplify right side
    9,210.48x = 77,351,943.05
  5. Step 5: Solve for x
    x = 77,351,943.05/9,210.48
  6. Step 6: Final answer
    x = 8,398.25

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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.