Home / 8,465.12-11,683.29-4,930.40

Finding the Fourth Proportional to 8,465.12, 11,683.29 and 4,930.40

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Solution

The fourth proportional to 8,465.12, 11,683.29 and 4,930.40 is: 6,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.12 : 11,683.29 = 4,930.40 : x
  2. Step 2: Convert to fraction form
    8,465.12/11,683.29 = 4,930.40/x
  3. Step 3: Cross multiply
    8,465.12x = 11,683.29 × 4,930.40
  4. Step 4: Simplify right side
    8,465.12x = 57,603,293.02
  5. Step 5: Solve for x
    x = 57,603,293.02/8,465.12
  6. Step 6: Final answer
    x = 6,804.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.