Home / 7,664.60-10,577.16-4,480.12

Finding the Fourth Proportional to 7,664.60, 10,577.16 and 4,480.12

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Solution

The fourth proportional to 7,664.60, 10,577.16 and 4,480.12 is: 6,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.60 : 10,577.16 = 4,480.12 : x
  2. Step 2: Convert to fraction form
    7,664.60/10,577.16 = 4,480.12/x
  3. Step 3: Cross multiply
    7,664.60x = 10,577.16 × 4,480.12
  4. Step 4: Simplify right side
    7,664.60x = 47,386,946.06
  5. Step 5: Solve for x
    x = 47,386,946.06/7,664.60
  6. Step 6: Final answer
    x = 6,182.57

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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.