Home / 4,378.51-6,042.40-2,389.07

Finding the Fourth Proportional to 4,378.51, 6,042.40 and 2,389.07

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Solution

The fourth proportional to 4,378.51, 6,042.40 and 2,389.07 is: 3,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.51 : 6,042.40 = 2,389.07 : x
  2. Step 2: Convert to fraction form
    4,378.51/6,042.40 = 2,389.07/x
  3. Step 3: Cross multiply
    4,378.51x = 6,042.40 × 2,389.07
  4. Step 4: Simplify right side
    4,378.51x = 14,435,708.71
  5. Step 5: Solve for x
    x = 14,435,708.71/4,378.51
  6. Step 6: Final answer
    x = 3,296.95

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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.