Home / 7,807.12-10,773.84-4,270.40

Finding the Fourth Proportional to 7,807.12, 10,773.84 and 4,270.40

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Solution

The fourth proportional to 7,807.12, 10,773.84 and 4,270.40 is: 5,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,807.12 : 10,773.84 = 4,270.40 : x
  2. Step 2: Convert to fraction form
    7,807.12/10,773.84 = 4,270.40/x
  3. Step 3: Cross multiply
    7,807.12x = 10,773.84 × 4,270.40
  4. Step 4: Simplify right side
    7,807.12x = 46,008,606.34
  5. Step 5: Solve for x
    x = 46,008,606.34/7,807.12
  6. Step 6: Final answer
    x = 5,893.16

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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.