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Finding the Fourth Proportional to 5,365.80, 8,088.93 and 5,009.00

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Solution

The fourth proportional to 5,365.80, 8,088.93 and 5,009.00 is: 7,551.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.80 : 8,088.93 = 5,009.00 : x
  2. Step 2: Convert to fraction form
    5,365.80/8,088.93 = 5,009.00/x
  3. Step 3: Cross multiply
    5,365.80x = 8,088.93 × 5,009.00
  4. Step 4: Simplify right side
    5,365.80x = 40,517,409.93
  5. Step 5: Solve for x
    x = 40,517,409.93/5,365.80
  6. Step 6: Final answer
    x = 7,551.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.