Home / 7,689.56-10,607.64-4,540.28

Finding the Fourth Proportional to 7,689.56, 10,607.64 and 4,540.28

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Solution

The fourth proportional to 7,689.56, 10,607.64 and 4,540.28 is: 6,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.56 : 10,607.64 = 4,540.28 : x
  2. Step 2: Convert to fraction form
    7,689.56/10,607.64 = 4,540.28/x
  3. Step 3: Cross multiply
    7,689.56x = 10,607.64 × 4,540.28
  4. Step 4: Simplify right side
    7,689.56x = 48,161,655.74
  5. Step 5: Solve for x
    x = 48,161,655.74/7,689.56
  6. Step 6: Final answer
    x = 6,263.25

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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.