Home / 4,931.40-6,806.02-2,835.16

Finding the Fourth Proportional to 4,931.40, 6,806.02 and 2,835.16

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Solution

The fourth proportional to 4,931.40, 6,806.02 and 2,835.16 is: 3,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.40 : 6,806.02 = 2,835.16 : x
  2. Step 2: Convert to fraction form
    4,931.40/6,806.02 = 2,835.16/x
  3. Step 3: Cross multiply
    4,931.40x = 6,806.02 × 2,835.16
  4. Step 4: Simplify right side
    4,931.40x = 19,296,155.66
  5. Step 5: Solve for x
    x = 19,296,155.66/4,931.40
  6. Step 6: Final answer
    x = 3,912.92

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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.