Home / 7,461.02-11,190.65-1,914.40

Finding the Fourth Proportional to 7,461.02, 11,190.65 and 1,914.40

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Solution

The fourth proportional to 7,461.02, 11,190.65 and 1,914.40 is: 2,871.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461.02 : 11,190.65 = 1,914.40 : x
  2. Step 2: Convert to fraction form
    7,461.02/11,190.65 = 1,914.40/x
  3. Step 3: Cross multiply
    7,461.02x = 11,190.65 × 1,914.40
  4. Step 4: Simplify right side
    7,461.02x = 21,423,357.17
  5. Step 5: Solve for x
    x = 21,423,357.17/7,461.02
  6. Step 6: Final answer
    x = 2,871.37

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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.