Home / 8,288.73-11,438.01-4,931.51

Finding the Fourth Proportional to 8,288.73, 11,438.01 and 4,931.51

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Solution

The fourth proportional to 8,288.73, 11,438.01 and 4,931.51 is: 6,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.73 : 11,438.01 = 4,931.51 : x
  2. Step 2: Convert to fraction form
    8,288.73/11,438.01 = 4,931.51/x
  3. Step 3: Cross multiply
    8,288.73x = 11,438.01 × 4,931.51
  4. Step 4: Simplify right side
    8,288.73x = 56,406,603.51
  5. Step 5: Solve for x
    x = 56,406,603.51/8,288.73
  6. Step 6: Final answer
    x = 6,805.22

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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.