Home / 7,219.77-9,962.56-4,075.35

Finding the Fourth Proportional to 7,219.77, 9,962.56 and 4,075.35

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Solution

The fourth proportional to 7,219.77, 9,962.56 and 4,075.35 is: 5,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.77 : 9,962.56 = 4,075.35 : x
  2. Step 2: Convert to fraction form
    7,219.77/9,962.56 = 4,075.35/x
  3. Step 3: Cross multiply
    7,219.77x = 9,962.56 × 4,075.35
  4. Step 4: Simplify right side
    7,219.77x = 40,600,858.89
  5. Step 5: Solve for x
    x = 40,600,858.89/7,219.77
  6. Step 6: Final answer
    x = 5,623.57

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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.