Home / 6,510.18-9,770.70-3,391.26

Finding the Fourth Proportional to 6,510.18, 9,770.70 and 3,391.26

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Solution

The fourth proportional to 6,510.18, 9,770.70 and 3,391.26 is: 5,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.18 : 9,770.70 = 3,391.26 : x
  2. Step 2: Convert to fraction form
    6,510.18/9,770.70 = 3,391.26/x
  3. Step 3: Cross multiply
    6,510.18x = 9,770.70 × 3,391.26
  4. Step 4: Simplify right side
    6,510.18x = 33,134,984.08
  5. Step 5: Solve for x
    x = 33,134,984.08/6,510.18
  6. Step 6: Final answer
    x = 5,089.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.