Home / 4,748.22-7,123.44-1,461.30

Finding the Fourth Proportional to 4,748.22, 7,123.44 and 1,461.30

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Solution

The fourth proportional to 4,748.22, 7,123.44 and 1,461.30 is: 2,192.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,748.22 : 7,123.44 = 1,461.30 : x
  2. Step 2: Convert to fraction form
    4,748.22/7,123.44 = 1,461.30/x
  3. Step 3: Cross multiply
    4,748.22x = 7,123.44 × 1,461.30
  4. Step 4: Simplify right side
    4,748.22x = 10,409,482.87
  5. Step 5: Solve for x
    x = 10,409,482.87/4,748.22
  6. Step 6: Final answer
    x = 2,192.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.