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Finding the Fourth Proportional to 7,580.46, 10,461.14 and 4,393.99

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Solution

The fourth proportional to 7,580.46, 10,461.14 and 4,393.99 is: 6,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.46 : 10,461.14 = 4,393.99 : x
  2. Step 2: Convert to fraction form
    7,580.46/10,461.14 = 4,393.99/x
  3. Step 3: Cross multiply
    7,580.46x = 10,461.14 × 4,393.99
  4. Step 4: Simplify right side
    7,580.46x = 45,966,166.40
  5. Step 5: Solve for x
    x = 45,966,166.40/7,580.46
  6. Step 6: Final answer
    x = 6,063.77

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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.