Home / 8,743.05-12,065.40-5,206.41

Finding the Fourth Proportional to 8,743.05, 12,065.40 and 5,206.41

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Solution

The fourth proportional to 8,743.05, 12,065.40 and 5,206.41 is: 7,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.05 : 12,065.40 = 5,206.41 : x
  2. Step 2: Convert to fraction form
    8,743.05/12,065.40 = 5,206.41/x
  3. Step 3: Cross multiply
    8,743.05x = 12,065.40 × 5,206.41
  4. Step 4: Simplify right side
    8,743.05x = 62,817,419.21
  5. Step 5: Solve for x
    x = 62,817,419.21/8,743.05
  6. Step 6: Final answer
    x = 7,184.84

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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.