Home / 4,989.52-7,483.56-1,869.10

Finding the Fourth Proportional to 4,989.52, 7,483.56 and 1,869.10

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Solution

The fourth proportional to 4,989.52, 7,483.56 and 1,869.10 is: 2,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.52 : 7,483.56 = 1,869.10 : x
  2. Step 2: Convert to fraction form
    4,989.52/7,483.56 = 1,869.10/x
  3. Step 3: Cross multiply
    4,989.52x = 7,483.56 × 1,869.10
  4. Step 4: Simplify right side
    4,989.52x = 13,987,522.00
  5. Step 5: Solve for x
    x = 13,987,522.00/4,989.52
  6. Step 6: Final answer
    x = 2,803.38

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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.