Home / 7,219.08-9,962.52-4,075.44

Finding the Fourth Proportional to 7,219.08, 9,962.52 and 4,075.44

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Solution

The fourth proportional to 7,219.08, 9,962.52 and 4,075.44 is: 5,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.08 : 9,962.52 = 4,075.44 : x
  2. Step 2: Convert to fraction form
    7,219.08/9,962.52 = 4,075.44/x
  3. Step 3: Cross multiply
    7,219.08x = 9,962.52 × 4,075.44
  4. Step 4: Simplify right side
    7,219.08x = 40,601,652.51
  5. Step 5: Solve for x
    x = 40,601,652.51/7,219.08
  6. Step 6: Final answer
    x = 5,624.21

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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.