Home / 8,484.36-12,726.40-3,485.72

Finding the Fourth Proportional to 8,484.36, 12,726.40 and 3,485.72

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Solution

The fourth proportional to 8,484.36, 12,726.40 and 3,485.72 is: 5,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.36 : 12,726.40 = 3,485.72 : x
  2. Step 2: Convert to fraction form
    8,484.36/12,726.40 = 3,485.72/x
  3. Step 3: Cross multiply
    8,484.36x = 12,726.40 × 3,485.72
  4. Step 4: Simplify right side
    8,484.36x = 44,360,667.01
  5. Step 5: Solve for x
    x = 44,360,667.01/8,484.36
  6. Step 6: Final answer
    x = 5,228.52

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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.