Home / 8,228.77-11,353.79-4,870.51

Finding the Fourth Proportional to 8,228.77, 11,353.79 and 4,870.51

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Solution

The fourth proportional to 8,228.77, 11,353.79 and 4,870.51 is: 6,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.77 : 11,353.79 = 4,870.51 : x
  2. Step 2: Convert to fraction form
    8,228.77/11,353.79 = 4,870.51/x
  3. Step 3: Cross multiply
    8,228.77x = 11,353.79 × 4,870.51
  4. Step 4: Simplify right side
    8,228.77x = 55,298,731.52
  5. Step 5: Solve for x
    x = 55,298,731.52/8,228.77
  6. Step 6: Final answer
    x = 6,720.17

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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.