Home / 8,405.35-11,598.75-4,820.65

Finding the Fourth Proportional to 8,405.35, 11,598.75 and 4,820.65

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Solution

The fourth proportional to 8,405.35, 11,598.75 and 4,820.65 is: 6,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,405.35 : 11,598.75 = 4,820.65 : x
  2. Step 2: Convert to fraction form
    8,405.35/11,598.75 = 4,820.65/x
  3. Step 3: Cross multiply
    8,405.35x = 11,598.75 × 4,820.65
  4. Step 4: Simplify right side
    8,405.35x = 55,913,485.19
  5. Step 5: Solve for x
    x = 55,913,485.19/8,405.35
  6. Step 6: Final answer
    x = 6,652.13

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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.