Home / 8,587.86-11,851.64-4,810.95

Finding the Fourth Proportional to 8,587.86, 11,851.64 and 4,810.95

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Solution

The fourth proportional to 8,587.86, 11,851.64 and 4,810.95 is: 6,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.86 : 11,851.64 = 4,810.95 : x
  2. Step 2: Convert to fraction form
    8,587.86/11,851.64 = 4,810.95/x
  3. Step 3: Cross multiply
    8,587.86x = 11,851.64 × 4,810.95
  4. Step 4: Simplify right side
    8,587.86x = 57,017,623.40
  5. Step 5: Solve for x
    x = 57,017,623.40/8,587.86
  6. Step 6: Final answer
    x = 6,639.33

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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.