Home / 5,590.06-8,385.38-1,430.10

Finding the Fourth Proportional to 5,590.06, 8,385.38 and 1,430.10

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Solution

The fourth proportional to 5,590.06, 8,385.38 and 1,430.10 is: 2,145.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.06 : 8,385.38 = 1,430.10 : x
  2. Step 2: Convert to fraction form
    5,590.06/8,385.38 = 1,430.10/x
  3. Step 3: Cross multiply
    5,590.06x = 8,385.38 × 1,430.10
  4. Step 4: Simplify right side
    5,590.06x = 11,991,959.81
  5. Step 5: Solve for x
    x = 11,991,959.81/5,590.06
  6. Step 6: Final answer
    x = 2,145.23

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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.