Home / 8,225.16-11,347.76-4,686.32

Finding the Fourth Proportional to 8,225.16, 11,347.76 and 4,686.32

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Solution

The fourth proportional to 8,225.16, 11,347.76 and 4,686.32 is: 6,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.16 : 11,347.76 = 4,686.32 : x
  2. Step 2: Convert to fraction form
    8,225.16/11,347.76 = 4,686.32/x
  3. Step 3: Cross multiply
    8,225.16x = 11,347.76 × 4,686.32
  4. Step 4: Simplify right side
    8,225.16x = 53,179,274.73
  5. Step 5: Solve for x
    x = 53,179,274.73/8,225.16
  6. Step 6: Final answer
    x = 6,465.44

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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.