Home / 8,246.51-11,378.02-4,890.07

Finding the Fourth Proportional to 8,246.51, 11,378.02 and 4,890.07

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Solution

The fourth proportional to 8,246.51, 11,378.02 and 4,890.07 is: 6,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.51 : 11,378.02 = 4,890.07 : x
  2. Step 2: Convert to fraction form
    8,246.51/11,378.02 = 4,890.07/x
  3. Step 3: Cross multiply
    8,246.51x = 11,378.02 × 4,890.07
  4. Step 4: Simplify right side
    8,246.51x = 55,639,325.43
  5. Step 5: Solve for x
    x = 55,639,325.43/8,246.51
  6. Step 6: Final answer
    x = 6,747.02

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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.