Home / 7,007.40-10,507.98-2,075.31

Finding the Fourth Proportional to 7,007.40, 10,507.98 and 2,075.31

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Solution

The fourth proportional to 7,007.40, 10,507.98 and 2,075.31 is: 3,112.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.40 : 10,507.98 = 2,075.31 : x
  2. Step 2: Convert to fraction form
    7,007.40/10,507.98 = 2,075.31/x
  3. Step 3: Cross multiply
    7,007.40x = 10,507.98 × 2,075.31
  4. Step 4: Simplify right side
    7,007.40x = 21,807,315.97
  5. Step 5: Solve for x
    x = 21,807,315.97/7,007.40
  6. Step 6: Final answer
    x = 3,112.04

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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.