Home / 8,587.89-11,852.27-4,812.07

Finding the Fourth Proportional to 8,587.89, 11,852.27 and 4,812.07

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Solution

The fourth proportional to 8,587.89, 11,852.27 and 4,812.07 is: 6,641.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.89 : 11,852.27 = 4,812.07 : x
  2. Step 2: Convert to fraction form
    8,587.89/11,852.27 = 4,812.07/x
  3. Step 3: Cross multiply
    8,587.89x = 11,852.27 × 4,812.07
  4. Step 4: Simplify right side
    8,587.89x = 57,033,952.90
  5. Step 5: Solve for x
    x = 57,033,952.90/8,587.89
  6. Step 6: Final answer
    x = 6,641.21

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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.