Home / 8,729.90-12,047.52-4,953.22

Finding the Fourth Proportional to 8,729.90, 12,047.52 and 4,953.22

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Solution

The fourth proportional to 8,729.90, 12,047.52 and 4,953.22 is: 6,835.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.90 : 12,047.52 = 4,953.22 : x
  2. Step 2: Convert to fraction form
    8,729.90/12,047.52 = 4,953.22/x
  3. Step 3: Cross multiply
    8,729.90x = 12,047.52 × 4,953.22
  4. Step 4: Simplify right side
    8,729.90x = 59,674,050.65
  5. Step 5: Solve for x
    x = 59,674,050.65/8,729.90
  6. Step 6: Final answer
    x = 6,835.59

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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.