Home / 7,503.98-10,359.68-4,989.53

Finding the Fourth Proportional to 7,503.98, 10,359.68 and 4,989.53

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Solution

The fourth proportional to 7,503.98, 10,359.68 and 4,989.53 is: 6,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.98 : 10,359.68 = 4,989.53 : x
  2. Step 2: Convert to fraction form
    7,503.98/10,359.68 = 4,989.53/x
  3. Step 3: Cross multiply
    7,503.98x = 10,359.68 × 4,989.53
  4. Step 4: Simplify right side
    7,503.98x = 51,689,935.10
  5. Step 5: Solve for x
    x = 51,689,935.10/7,503.98
  6. Step 6: Final answer
    x = 6,888.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.