Home / 6,280.09-9,419.64-3,156.91

Finding the Fourth Proportional to 6,280.09, 9,419.64 and 3,156.91

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Solution

The fourth proportional to 6,280.09, 9,419.64 and 3,156.91 is: 4,735.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.09 : 9,419.64 = 3,156.91 : x
  2. Step 2: Convert to fraction form
    6,280.09/9,419.64 = 3,156.91/x
  3. Step 3: Cross multiply
    6,280.09x = 9,419.64 × 3,156.91
  4. Step 4: Simplify right side
    6,280.09x = 29,736,955.71
  5. Step 5: Solve for x
    x = 29,736,955.71/6,280.09
  6. Step 6: Final answer
    x = 4,735.12

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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.