Home / 7,075.20-10,653.91-5,239.32

Finding the Fourth Proportional to 7,075.20, 10,653.91 and 5,239.32

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Solution

The fourth proportional to 7,075.20, 10,653.91 and 5,239.32 is: 7,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.20 : 10,653.91 = 5,239.32 : x
  2. Step 2: Convert to fraction form
    7,075.20/10,653.91 = 5,239.32/x
  3. Step 3: Cross multiply
    7,075.20x = 10,653.91 × 5,239.32
  4. Step 4: Simplify right side
    7,075.20x = 55,819,243.74
  5. Step 5: Solve for x
    x = 55,819,243.74/7,075.20
  6. Step 6: Final answer
    x = 7,889.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.