Home / 8,735.40-13,088.70-7,266.60

Finding the Fourth Proportional to 8,735.40, 13,088.70 and 7,266.60

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Solution

The fourth proportional to 8,735.40, 13,088.70 and 7,266.60 is: 10,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.40 : 13,088.70 = 7,266.60 : x
  2. Step 2: Convert to fraction form
    8,735.40/13,088.70 = 7,266.60/x
  3. Step 3: Cross multiply
    8,735.40x = 13,088.70 × 7,266.60
  4. Step 4: Simplify right side
    8,735.40x = 95,110,347.42
  5. Step 5: Solve for x
    x = 95,110,347.42/8,735.40
  6. Step 6: Final answer
    x = 10,887.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.