Home / 4,681.35-7,020.95-1,394.15

Finding the Fourth Proportional to 4,681.35, 7,020.95 and 1,394.15

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Solution

The fourth proportional to 4,681.35, 7,020.95 and 1,394.15 is: 2,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.35 : 7,020.95 = 1,394.15 : x
  2. Step 2: Convert to fraction form
    4,681.35/7,020.95 = 1,394.15/x
  3. Step 3: Cross multiply
    4,681.35x = 7,020.95 × 1,394.15
  4. Step 4: Simplify right side
    4,681.35x = 9,788,215.37
  5. Step 5: Solve for x
    x = 9,788,215.37/4,681.35
  6. Step 6: Final answer
    x = 2,090.90

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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.