Home / 8,745.77-13,111.35-4,357.19

Finding the Fourth Proportional to 8,745.77, 13,111.35 and 4,357.19

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Solution

The fourth proportional to 8,745.77, 13,111.35 and 4,357.19 is: 6,532.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.77 : 13,111.35 = 4,357.19 : x
  2. Step 2: Convert to fraction form
    8,745.77/13,111.35 = 4,357.19/x
  3. Step 3: Cross multiply
    8,745.77x = 13,111.35 × 4,357.19
  4. Step 4: Simplify right side
    8,745.77x = 57,128,577.55
  5. Step 5: Solve for x
    x = 57,128,577.55/8,745.77
  6. Step 6: Final answer
    x = 6,532.14

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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.