Home / 7,035.07-9,729.35-6,287.85

Finding the Fourth Proportional to 7,035.07, 9,729.35 and 6,287.85

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Solution

The fourth proportional to 7,035.07, 9,729.35 and 6,287.85 is: 8,695.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.07 : 9,729.35 = 6,287.85 : x
  2. Step 2: Convert to fraction form
    7,035.07/9,729.35 = 6,287.85/x
  3. Step 3: Cross multiply
    7,035.07x = 9,729.35 × 6,287.85
  4. Step 4: Simplify right side
    7,035.07x = 61,176,693.40
  5. Step 5: Solve for x
    x = 61,176,693.40/7,035.07
  6. Step 6: Final answer
    x = 8,695.96

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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.