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Finding the Fourth Proportional to 5,365.40, 8,048.10 and 4,435.93

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Solution

The fourth proportional to 5,365.40, 8,048.10 and 4,435.93 is: 6,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,365.40 : 8,048.10 = 4,435.93 : x
  2. Step 2: Convert to fraction form
    5,365.40/8,048.10 = 4,435.93/x
  3. Step 3: Cross multiply
    5,365.40x = 8,048.10 × 4,435.93
  4. Step 4: Simplify right side
    5,365.40x = 35,700,808.23
  5. Step 5: Solve for x
    x = 35,700,808.23/5,365.40
  6. Step 6: Final answer
    x = 6,653.90

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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.