Home / 4,990.24-7,483.86-1,527.40

Finding the Fourth Proportional to 4,990.24, 7,483.86 and 1,527.40

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Solution

The fourth proportional to 4,990.24, 7,483.86 and 1,527.40 is: 2,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.24 : 7,483.86 = 1,527.40 : x
  2. Step 2: Convert to fraction form
    4,990.24/7,483.86 = 1,527.40/x
  3. Step 3: Cross multiply
    4,990.24x = 7,483.86 × 1,527.40
  4. Step 4: Simplify right side
    4,990.24x = 11,430,847.76
  5. Step 5: Solve for x
    x = 11,430,847.76/4,990.24
  6. Step 6: Final answer
    x = 2,290.64

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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.