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Finding the Fourth Proportional to 6,362.79, 9,542.55 and 1,977.99

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Solution

The fourth proportional to 6,362.79, 9,542.55 and 1,977.99 is: 2,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.79 : 9,542.55 = 1,977.99 : x
  2. Step 2: Convert to fraction form
    6,362.79/9,542.55 = 1,977.99/x
  3. Step 3: Cross multiply
    6,362.79x = 9,542.55 × 1,977.99
  4. Step 4: Simplify right side
    6,362.79x = 18,875,068.47
  5. Step 5: Solve for x
    x = 18,875,068.47/6,362.79
  6. Step 6: Final answer
    x = 2,966.48

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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.