Home / 7,520.49-11,281.05-2,840.01

Finding the Fourth Proportional to 7,520.49, 11,281.05 and 2,840.01

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Solution

The fourth proportional to 7,520.49, 11,281.05 and 2,840.01 is: 4,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520.49 : 11,281.05 = 2,840.01 : x
  2. Step 2: Convert to fraction form
    7,520.49/11,281.05 = 2,840.01/x
  3. Step 3: Cross multiply
    7,520.49x = 11,281.05 × 2,840.01
  4. Step 4: Simplify right side
    7,520.49x = 32,038,294.81
  5. Step 5: Solve for x
    x = 32,038,294.81/7,520.49
  6. Step 6: Final answer
    x = 4,260.13

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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.