Home / 7,219.35-9,962.51-4,075.56

Finding the Fourth Proportional to 7,219.35, 9,962.51 and 4,075.56

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Solution

The fourth proportional to 7,219.35, 9,962.51 and 4,075.56 is: 5,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.35 : 9,962.51 = 4,075.56 : x
  2. Step 2: Convert to fraction form
    7,219.35/9,962.51 = 4,075.56/x
  3. Step 3: Cross multiply
    7,219.35x = 9,962.51 × 4,075.56
  4. Step 4: Simplify right side
    7,219.35x = 40,602,786.88
  5. Step 5: Solve for x
    x = 40,602,786.88/7,219.35
  6. Step 6: Final answer
    x = 5,624.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.