Home / 4,990.70-7,483.52-2,357.40

Finding the Fourth Proportional to 4,990.70, 7,483.52 and 2,357.40

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Solution

The fourth proportional to 4,990.70, 7,483.52 and 2,357.40 is: 3,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.70 : 7,483.52 = 2,357.40 : x
  2. Step 2: Convert to fraction form
    4,990.70/7,483.52 = 2,357.40/x
  3. Step 3: Cross multiply
    4,990.70x = 7,483.52 × 2,357.40
  4. Step 4: Simplify right side
    4,990.70x = 17,641,650.05
  5. Step 5: Solve for x
    x = 17,641,650.05/4,990.70
  6. Step 6: Final answer
    x = 3,534.90

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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.