Home / 6,216.40-9,330.63-2,931.76

Finding the Fourth Proportional to 6,216.40, 9,330.63 and 2,931.76

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Solution

The fourth proportional to 6,216.40, 9,330.63 and 2,931.76 is: 4,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.40 : 9,330.63 = 2,931.76 : x
  2. Step 2: Convert to fraction form
    6,216.40/9,330.63 = 2,931.76/x
  3. Step 3: Cross multiply
    6,216.40x = 9,330.63 × 2,931.76
  4. Step 4: Simplify right side
    6,216.40x = 27,355,167.81
  5. Step 5: Solve for x
    x = 27,355,167.81/6,216.40
  6. Step 6: Final answer
    x = 4,400.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.