Home / 8,315.24-12,466.32-4,365.78

Finding the Fourth Proportional to 8,315.24, 12,466.32 and 4,365.78

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Solution

The fourth proportional to 8,315.24, 12,466.32 and 4,365.78 is: 6,545.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.24 : 12,466.32 = 4,365.78 : x
  2. Step 2: Convert to fraction form
    8,315.24/12,466.32 = 4,365.78/x
  3. Step 3: Cross multiply
    8,315.24x = 12,466.32 × 4,365.78
  4. Step 4: Simplify right side
    8,315.24x = 54,425,210.53
  5. Step 5: Solve for x
    x = 54,425,210.53/8,315.24
  6. Step 6: Final answer
    x = 6,545.24

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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.