Home / 9,320.81-12,862.58-5,071.77

Finding the Fourth Proportional to 9,320.81, 12,862.58 and 5,071.77

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Solution

The fourth proportional to 9,320.81, 12,862.58 and 5,071.77 is: 6,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.81 : 12,862.58 = 5,071.77 : x
  2. Step 2: Convert to fraction form
    9,320.81/12,862.58 = 5,071.77/x
  3. Step 3: Cross multiply
    9,320.81x = 12,862.58 × 5,071.77
  4. Step 4: Simplify right side
    9,320.81x = 65,236,047.37
  5. Step 5: Solve for x
    x = 65,236,047.37/9,320.81
  6. Step 6: Final answer
    x = 6,998.97

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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.