Home / 6,862.55-10,289.38-4,515.45

Finding the Fourth Proportional to 6,862.55, 10,289.38 and 4,515.45

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Solution

The fourth proportional to 6,862.55, 10,289.38 and 4,515.45 is: 6,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.55 : 10,289.38 = 4,515.45 : x
  2. Step 2: Convert to fraction form
    6,862.55/10,289.38 = 4,515.45/x
  3. Step 3: Cross multiply
    6,862.55x = 10,289.38 × 4,515.45
  4. Step 4: Simplify right side
    6,862.55x = 46,461,139.51
  5. Step 5: Solve for x
    x = 46,461,139.51/6,862.55
  6. Step 6: Final answer
    x = 6,770.25

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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.