Home / 9,212.02-12,708.98-5,669.08

Finding the Fourth Proportional to 9,212.02, 12,708.98 and 5,669.08

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Solution

The fourth proportional to 9,212.02, 12,708.98 and 5,669.08 is: 7,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.02 : 12,708.98 = 5,669.08 : x
  2. Step 2: Convert to fraction form
    9,212.02/12,708.98 = 5,669.08/x
  3. Step 3: Cross multiply
    9,212.02x = 12,708.98 × 5,669.08
  4. Step 4: Simplify right side
    9,212.02x = 72,048,270.28
  5. Step 5: Solve for x
    x = 72,048,270.28/9,212.02
  6. Step 6: Final answer
    x = 7,821.11

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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.