Home / 4,386.56-6,579.29-1,920.92

Finding the Fourth Proportional to 4,386.56, 6,579.29 and 1,920.92

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Solution

The fourth proportional to 4,386.56, 6,579.29 and 1,920.92 is: 2,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.56 : 6,579.29 = 1,920.92 : x
  2. Step 2: Convert to fraction form
    4,386.56/6,579.29 = 1,920.92/x
  3. Step 3: Cross multiply
    4,386.56x = 6,579.29 × 1,920.92
  4. Step 4: Simplify right side
    4,386.56x = 12,638,261.65
  5. Step 5: Solve for x
    x = 12,638,261.65/4,386.56
  6. Step 6: Final answer
    x = 2,881.14

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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.