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Finding the Fourth Proportional to 8,807.55, 13,207.01 and 4,360.08

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Solution

The fourth proportional to 8,807.55, 13,207.01 and 4,360.08 is: 6,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,807.55 : 13,207.01 = 4,360.08 : x
  2. Step 2: Convert to fraction form
    8,807.55/13,207.01 = 4,360.08/x
  3. Step 3: Cross multiply
    8,807.55x = 13,207.01 × 4,360.08
  4. Step 4: Simplify right side
    8,807.55x = 57,583,598.36
  5. Step 5: Solve for x
    x = 57,583,598.36/8,807.55
  6. Step 6: Final answer
    x = 6,537.98

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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.