Home / 7,646.42-10,551.21-4,288.55

Finding the Fourth Proportional to 7,646.42, 10,551.21 and 4,288.55

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Solution

The fourth proportional to 7,646.42, 10,551.21 and 4,288.55 is: 5,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.42 : 10,551.21 = 4,288.55 : x
  2. Step 2: Convert to fraction form
    7,646.42/10,551.21 = 4,288.55/x
  3. Step 3: Cross multiply
    7,646.42x = 10,551.21 × 4,288.55
  4. Step 4: Simplify right side
    7,646.42x = 45,249,322.81
  5. Step 5: Solve for x
    x = 45,249,322.81/7,646.42
  6. Step 6: Final answer
    x = 5,917.71

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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.