Home / 7,740.48-10,683.60-4,758.90

Finding the Fourth Proportional to 7,740.48, 10,683.60 and 4,758.90

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Solution

The fourth proportional to 7,740.48, 10,683.60 and 4,758.90 is: 6,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.48 : 10,683.60 = 4,758.90 : x
  2. Step 2: Convert to fraction form
    7,740.48/10,683.60 = 4,758.90/x
  3. Step 3: Cross multiply
    7,740.48x = 10,683.60 × 4,758.90
  4. Step 4: Simplify right side
    7,740.48x = 50,842,184.04
  5. Step 5: Solve for x
    x = 50,842,184.04/7,740.48
  6. Step 6: Final answer
    x = 6,568.35

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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.