Home / 7,448.24-10,281.78-4,931.57

Finding the Fourth Proportional to 7,448.24, 10,281.78 and 4,931.57

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Solution

The fourth proportional to 7,448.24, 10,281.78 and 4,931.57 is: 6,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.24 : 10,281.78 = 4,931.57 : x
  2. Step 2: Convert to fraction form
    7,448.24/10,281.78 = 4,931.57/x
  3. Step 3: Cross multiply
    7,448.24x = 10,281.78 × 4,931.57
  4. Step 4: Simplify right side
    7,448.24x = 50,705,266.39
  5. Step 5: Solve for x
    x = 50,705,266.39/7,448.24
  6. Step 6: Final answer
    x = 6,807.69

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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.