Home / 4,681.55-7,020.30-2,340.65

Finding the Fourth Proportional to 4,681.55, 7,020.30 and 2,340.65

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Solution

The fourth proportional to 4,681.55, 7,020.30 and 2,340.65 is: 3,509.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.55 : 7,020.30 = 2,340.65 : x
  2. Step 2: Convert to fraction form
    4,681.55/7,020.30 = 2,340.65/x
  3. Step 3: Cross multiply
    4,681.55x = 7,020.30 × 2,340.65
  4. Step 4: Simplify right side
    4,681.55x = 16,432,065.20
  5. Step 5: Solve for x
    x = 16,432,065.20/4,681.55
  6. Step 6: Final answer
    x = 3,509.96

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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.