Home / 5,783.45-8,675.19-1,400.90

Finding the Fourth Proportional to 5,783.45, 8,675.19 and 1,400.90

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Solution

The fourth proportional to 5,783.45, 8,675.19 and 1,400.90 is: 2,101.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.45 : 8,675.19 = 1,400.90 : x
  2. Step 2: Convert to fraction form
    5,783.45/8,675.19 = 1,400.90/x
  3. Step 3: Cross multiply
    5,783.45x = 8,675.19 × 1,400.90
  4. Step 4: Simplify right side
    5,783.45x = 12,153,030.30
  5. Step 5: Solve for x
    x = 12,153,030.30/5,783.45
  6. Step 6: Final answer
    x = 2,101.35

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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.