Home / 8,314.33-11,477.06-5,663.20

Finding the Fourth Proportional to 8,314.33, 11,477.06 and 5,663.20

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Solution

The fourth proportional to 8,314.33, 11,477.06 and 5,663.20 is: 7,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.33 : 11,477.06 = 5,663.20 : x
  2. Step 2: Convert to fraction form
    8,314.33/11,477.06 = 5,663.20/x
  3. Step 3: Cross multiply
    8,314.33x = 11,477.06 × 5,663.20
  4. Step 4: Simplify right side
    8,314.33x = 64,996,886.19
  5. Step 5: Solve for x
    x = 64,996,886.19/8,314.33
  6. Step 6: Final answer
    x = 7,817.45

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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.