Home / 4,570.34-6,854.90-1,938.89

Finding the Fourth Proportional to 4,570.34, 6,854.90 and 1,938.89

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Solution

The fourth proportional to 4,570.34, 6,854.90 and 1,938.89 is: 2,908.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,570.34 : 6,854.90 = 1,938.89 : x
  2. Step 2: Convert to fraction form
    4,570.34/6,854.90 = 1,938.89/x
  3. Step 3: Cross multiply
    4,570.34x = 6,854.90 × 1,938.89
  4. Step 4: Simplify right side
    4,570.34x = 13,290,865.95
  5. Step 5: Solve for x
    x = 13,290,865.95/4,570.34
  6. Step 6: Final answer
    x = 2,908.07

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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.