Home / 5,455.44-7,526.28-3,800.40

Finding the Fourth Proportional to 5,455.44, 7,526.28 and 3,800.40

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Solution

The fourth proportional to 5,455.44, 7,526.28 and 3,800.40 is: 5,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.44 : 7,526.28 = 3,800.40 : x
  2. Step 2: Convert to fraction form
    5,455.44/7,526.28 = 3,800.40/x
  3. Step 3: Cross multiply
    5,455.44x = 7,526.28 × 3,800.40
  4. Step 4: Simplify right side
    5,455.44x = 28,602,874.51
  5. Step 5: Solve for x
    x = 28,602,874.51/5,455.44
  6. Step 6: Final answer
    x = 5,243.00

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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.