Home / 5,595.51-8,385.69-2,130.87

Finding the Fourth Proportional to 5,595.51, 8,385.69 and 2,130.87

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Solution

The fourth proportional to 5,595.51, 8,385.69 and 2,130.87 is: 3,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,595.51 : 8,385.69 = 2,130.87 : x
  2. Step 2: Convert to fraction form
    5,595.51/8,385.69 = 2,130.87/x
  3. Step 3: Cross multiply
    5,595.51x = 8,385.69 × 2,130.87
  4. Step 4: Simplify right side
    5,595.51x = 17,868,815.25
  5. Step 5: Solve for x
    x = 17,868,815.25/5,595.51
  6. Step 6: Final answer
    x = 3,193.42

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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.