Home / 8,385.48-11,569.44-4,847.40

Finding the Fourth Proportional to 8,385.48, 11,569.44 and 4,847.40

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Solution

The fourth proportional to 8,385.48, 11,569.44 and 4,847.40 is: 6,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.48 : 11,569.44 = 4,847.40 : x
  2. Step 2: Convert to fraction form
    8,385.48/11,569.44 = 4,847.40/x
  3. Step 3: Cross multiply
    8,385.48x = 11,569.44 × 4,847.40
  4. Step 4: Simplify right side
    8,385.48x = 56,081,703.46
  5. Step 5: Solve for x
    x = 56,081,703.46/8,385.48
  6. Step 6: Final answer
    x = 6,687.95

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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.