Home / 7,729.90-10,666.69-4,373.07

Finding the Fourth Proportional to 7,729.90, 10,666.69 and 4,373.07

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Solution

The fourth proportional to 7,729.90, 10,666.69 and 4,373.07 is: 6,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.90 : 10,666.69 = 4,373.07 : x
  2. Step 2: Convert to fraction form
    7,729.90/10,666.69 = 4,373.07/x
  3. Step 3: Cross multiply
    7,729.90x = 10,666.69 × 4,373.07
  4. Step 4: Simplify right side
    7,729.90x = 46,646,182.04
  5. Step 5: Solve for x
    x = 46,646,182.04/7,729.90
  6. Step 6: Final answer
    x = 6,034.51

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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.