Home / 8,208.55-12,312.73-5,569.52

Finding the Fourth Proportional to 8,208.55, 12,312.73 and 5,569.52

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Solution

The fourth proportional to 8,208.55, 12,312.73 and 5,569.52 is: 8,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.55 : 12,312.73 = 5,569.52 : x
  2. Step 2: Convert to fraction form
    8,208.55/12,312.73 = 5,569.52/x
  3. Step 3: Cross multiply
    8,208.55x = 12,312.73 × 5,569.52
  4. Step 4: Simplify right side
    8,208.55x = 68,575,995.99
  5. Step 5: Solve for x
    x = 68,575,995.99/8,208.55
  6. Step 6: Final answer
    x = 8,354.22

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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.