Home / 8,303.02-11,452.86-6,309.18

Finding the Fourth Proportional to 8,303.02, 11,452.86 and 6,309.18

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Solution

The fourth proportional to 8,303.02, 11,452.86 and 6,309.18 is: 8,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.02 : 11,452.86 = 6,309.18 : x
  2. Step 2: Convert to fraction form
    8,303.02/11,452.86 = 6,309.18/x
  3. Step 3: Cross multiply
    8,303.02x = 11,452.86 × 6,309.18
  4. Step 4: Simplify right side
    8,303.02x = 72,258,155.25
  5. Step 5: Solve for x
    x = 72,258,155.25/8,303.02
  6. Step 6: Final answer
    x = 8,702.64

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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.