Home / 8,717.83-12,030.87-4,739.23

Finding the Fourth Proportional to 8,717.83, 12,030.87 and 4,739.23

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Solution

The fourth proportional to 8,717.83, 12,030.87 and 4,739.23 is: 6,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,717.83 : 12,030.87 = 4,739.23 : x
  2. Step 2: Convert to fraction form
    8,717.83/12,030.87 = 4,739.23/x
  3. Step 3: Cross multiply
    8,717.83x = 12,030.87 × 4,739.23
  4. Step 4: Simplify right side
    8,717.83x = 57,017,060.03
  5. Step 5: Solve for x
    x = 57,017,060.03/8,717.83
  6. Step 6: Final answer
    x = 6,540.28

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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.