Home / 4,280.07-6,419.90-1,358.00

Finding the Fourth Proportional to 4,280.07, 6,419.90 and 1,358.00

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Solution

The fourth proportional to 4,280.07, 6,419.90 and 1,358.00 is: 2,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.07 : 6,419.90 = 1,358.00 : x
  2. Step 2: Convert to fraction form
    4,280.07/6,419.90 = 1,358.00/x
  3. Step 3: Cross multiply
    4,280.07x = 6,419.90 × 1,358.00
  4. Step 4: Simplify right side
    4,280.07x = 8,718,185.31
  5. Step 5: Solve for x
    x = 8,718,185.31/4,280.07
  6. Step 6: Final answer
    x = 2,036.93

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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.