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Finding the Fourth Proportional to 7,580.99, 10,461.80 and 4,394.90

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Solution

The fourth proportional to 7,580.99, 10,461.80 and 4,394.90 is: 6,064.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.99 : 10,461.80 = 4,394.90 : x
  2. Step 2: Convert to fraction form
    7,580.99/10,461.80 = 4,394.90/x
  3. Step 3: Cross multiply
    7,580.99x = 10,461.80 × 4,394.90
  4. Step 4: Simplify right side
    7,580.99x = 45,978,569.00
  5. Step 5: Solve for x
    x = 45,978,569.00/7,580.99
  6. Step 6: Final answer
    x = 6,064.98

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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.