Home / 7,690.02-10,609.80-4,332.30

Finding the Fourth Proportional to 7,690.02, 10,609.80 and 4,332.30

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Solution

The fourth proportional to 7,690.02, 10,609.80 and 4,332.30 is: 5,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.02 : 10,609.80 = 4,332.30 : x
  2. Step 2: Convert to fraction form
    7,690.02/10,609.80 = 4,332.30/x
  3. Step 3: Cross multiply
    7,690.02x = 10,609.80 × 4,332.30
  4. Step 4: Simplify right side
    7,690.02x = 45,964,836.54
  5. Step 5: Solve for x
    x = 45,964,836.54/7,690.02
  6. Step 6: Final answer
    x = 5,977.21

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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.