Home / 5,019.74-7,528.10-1,898.70

Finding the Fourth Proportional to 5,019.74, 7,528.10 and 1,898.70

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Solution

The fourth proportional to 5,019.74, 7,528.10 and 1,898.70 is: 2,847.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,019.74 : 7,528.10 = 1,898.70 : x
  2. Step 2: Convert to fraction form
    5,019.74/7,528.10 = 1,898.70/x
  3. Step 3: Cross multiply
    5,019.74x = 7,528.10 × 1,898.70
  4. Step 4: Simplify right side
    5,019.74x = 14,293,603.47
  5. Step 5: Solve for x
    x = 14,293,603.47/5,019.74
  6. Step 6: Final answer
    x = 2,847.48

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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.