Home / 6,459.13-9,689.10-2,075.41

Finding the Fourth Proportional to 6,459.13, 9,689.10 and 2,075.41

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Solution

The fourth proportional to 6,459.13, 9,689.10 and 2,075.41 is: 3,113.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.13 : 9,689.10 = 2,075.41 : x
  2. Step 2: Convert to fraction form
    6,459.13/9,689.10 = 2,075.41/x
  3. Step 3: Cross multiply
    6,459.13x = 9,689.10 × 2,075.41
  4. Step 4: Simplify right side
    6,459.13x = 20,108,855.03
  5. Step 5: Solve for x
    x = 20,108,855.03/6,459.13
  6. Step 6: Final answer
    x = 3,113.25

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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.