Home / 8,207.81-11,307.02-6,528.68

Finding the Fourth Proportional to 8,207.81, 11,307.02 and 6,528.68

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Solution

The fourth proportional to 8,207.81, 11,307.02 and 6,528.68 is: 8,993.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.81 : 11,307.02 = 6,528.68 : x
  2. Step 2: Convert to fraction form
    8,207.81/11,307.02 = 6,528.68/x
  3. Step 3: Cross multiply
    8,207.81x = 11,307.02 × 6,528.68
  4. Step 4: Simplify right side
    8,207.81x = 73,819,826.16
  5. Step 5: Solve for x
    x = 73,819,826.16/8,207.81
  6. Step 6: Final answer
    x = 8,993.86

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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.