Home / 4,985.18-6,879.90-3,569

Finding the Fourth Proportional to 4,985.18, 6,879.90 and 3,569

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Solution

The fourth proportional to 4,985.18, 6,879.90 and 3,569 is: 4,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.18 : 6,879.90 = 3,569 : x
  2. Step 2: Convert to fraction form
    4,985.18/6,879.90 = 3,569/x
  3. Step 3: Cross multiply
    4,985.18x = 6,879.90 × 3,569
  4. Step 4: Simplify right side
    4,985.18x = 24,554,363.10
  5. Step 5: Solve for x
    x = 24,554,363.10/4,985.18
  6. Step 6: Final answer
    x = 4,925.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.