Home / 6,312.43-9,457.10-5,325.65

Finding the Fourth Proportional to 6,312.43, 9,457.10 and 5,325.65

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Solution

The fourth proportional to 6,312.43, 9,457.10 and 5,325.65 is: 7,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.43 : 9,457.10 = 5,325.65 : x
  2. Step 2: Convert to fraction form
    6,312.43/9,457.10 = 5,325.65/x
  3. Step 3: Cross multiply
    6,312.43x = 9,457.10 × 5,325.65
  4. Step 4: Simplify right side
    6,312.43x = 50,365,130.70
  5. Step 5: Solve for x
    x = 50,365,130.70/6,312.43
  6. Step 6: Final answer
    x = 7,978.73

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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.