Home / 7,740.10-10,681.35-4,203.31

Finding the Fourth Proportional to 7,740.10, 10,681.35 and 4,203.31

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Solution

The fourth proportional to 7,740.10, 10,681.35 and 4,203.31 is: 5,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.10 : 10,681.35 = 4,203.31 : x
  2. Step 2: Convert to fraction form
    7,740.10/10,681.35 = 4,203.31/x
  3. Step 3: Cross multiply
    7,740.10x = 10,681.35 × 4,203.31
  4. Step 4: Simplify right side
    7,740.10x = 44,897,025.27
  5. Step 5: Solve for x
    x = 44,897,025.27/7,740.10
  6. Step 6: Final answer
    x = 5,800.57

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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.