Home / 7,218.93-9,962.15-4,075.05

Finding the Fourth Proportional to 7,218.93, 9,962.15 and 4,075.05

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Solution

The fourth proportional to 7,218.93, 9,962.15 and 4,075.05 is: 5,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.93 : 9,962.15 = 4,075.05 : x
  2. Step 2: Convert to fraction form
    7,218.93/9,962.15 = 4,075.05/x
  3. Step 3: Cross multiply
    7,218.93x = 9,962.15 × 4,075.05
  4. Step 4: Simplify right side
    7,218.93x = 40,596,238.98
  5. Step 5: Solve for x
    x = 40,596,238.98/7,218.93
  6. Step 6: Final answer
    x = 5,623.58

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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.