Home / 8,266.51-11,402.67-5,434.21

Finding the Fourth Proportional to 8,266.51, 11,402.67 and 5,434.21

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Solution

The fourth proportional to 8,266.51, 11,402.67 and 5,434.21 is: 7,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.51 : 11,402.67 = 5,434.21 : x
  2. Step 2: Convert to fraction form
    8,266.51/11,402.67 = 5,434.21/x
  3. Step 3: Cross multiply
    8,266.51x = 11,402.67 × 5,434.21
  4. Step 4: Simplify right side
    8,266.51x = 61,964,503.34
  5. Step 5: Solve for x
    x = 61,964,503.34/8,266.51
  6. Step 6: Final answer
    x = 7,495.85

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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.