Home / 4,990.24-7,484.73-1,292.19

Finding the Fourth Proportional to 4,990.24, 7,484.73 and 1,292.19

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Solution

The fourth proportional to 4,990.24, 7,484.73 and 1,292.19 is: 1,938.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.24 : 7,484.73 = 1,292.19 : x
  2. Step 2: Convert to fraction form
    4,990.24/7,484.73 = 1,292.19/x
  3. Step 3: Cross multiply
    4,990.24x = 7,484.73 × 1,292.19
  4. Step 4: Simplify right side
    4,990.24x = 9,671,693.26
  5. Step 5: Solve for x
    x = 9,671,693.26/4,990.24
  6. Step 6: Final answer
    x = 1,938.12

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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.