Home / 8,715.09-12,026.60-4,938.17

Finding the Fourth Proportional to 8,715.09, 12,026.60 and 4,938.17

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Solution

The fourth proportional to 8,715.09, 12,026.60 and 4,938.17 is: 6,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.09 : 12,026.60 = 4,938.17 : x
  2. Step 2: Convert to fraction form
    8,715.09/12,026.60 = 4,938.17/x
  3. Step 3: Cross multiply
    8,715.09x = 12,026.60 × 4,938.17
  4. Step 4: Simplify right side
    8,715.09x = 59,389,329.02
  5. Step 5: Solve for x
    x = 59,389,329.02/8,715.09
  6. Step 6: Final answer
    x = 6,814.54

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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.