Home / 5,477.81-8,216.71-1,528.90

Finding the Fourth Proportional to 5,477.81, 8,216.71 and 1,528.90

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Solution

The fourth proportional to 5,477.81, 8,216.71 and 1,528.90 is: 2,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.81 : 8,216.71 = 1,528.90 : x
  2. Step 2: Convert to fraction form
    5,477.81/8,216.71 = 1,528.90/x
  3. Step 3: Cross multiply
    5,477.81x = 8,216.71 × 1,528.90
  4. Step 4: Simplify right side
    5,477.81x = 12,562,527.92
  5. Step 5: Solve for x
    x = 12,562,527.92/5,477.81
  6. Step 6: Final answer
    x = 2,293.35

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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.