Home / 7,320.13-10,917.59-6,216.75

Finding the Fourth Proportional to 7,320.13, 10,917.59 and 6,216.75

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Solution

The fourth proportional to 7,320.13, 10,917.59 and 6,216.75 is: 9,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.13 : 10,917.59 = 6,216.75 : x
  2. Step 2: Convert to fraction form
    7,320.13/10,917.59 = 6,216.75/x
  3. Step 3: Cross multiply
    7,320.13x = 10,917.59 × 6,216.75
  4. Step 4: Simplify right side
    7,320.13x = 67,871,896.55
  5. Step 5: Solve for x
    x = 67,871,896.55/7,320.13
  6. Step 6: Final answer
    x = 9,271.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.