Home / 5,627.77-8,430.81-3,155.08

Finding the Fourth Proportional to 5,627.77, 8,430.81 and 3,155.08

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Solution

The fourth proportional to 5,627.77, 8,430.81 and 3,155.08 is: 4,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.77 : 8,430.81 = 3,155.08 : x
  2. Step 2: Convert to fraction form
    5,627.77/8,430.81 = 3,155.08/x
  3. Step 3: Cross multiply
    5,627.77x = 8,430.81 × 3,155.08
  4. Step 4: Simplify right side
    5,627.77x = 26,599,880.01
  5. Step 5: Solve for x
    x = 26,599,880.01/5,627.77
  6. Step 6: Final answer
    x = 4,726.54

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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.