Home / 8,587.80-11,851.60-4,810.98

Finding the Fourth Proportional to 8,587.80, 11,851.60 and 4,810.98

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Solution

The fourth proportional to 8,587.80, 11,851.60 and 4,810.98 is: 6,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587.80 : 11,851.60 = 4,810.98 : x
  2. Step 2: Convert to fraction form
    8,587.80/11,851.60 = 4,810.98/x
  3. Step 3: Cross multiply
    8,587.80x = 11,851.60 × 4,810.98
  4. Step 4: Simplify right side
    8,587.80x = 57,017,810.57
  5. Step 5: Solve for x
    x = 57,017,810.57/8,587.80
  6. Step 6: Final answer
    x = 6,639.40

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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.