Home / 4,621.09-6,931.64-1,158.34

Finding the Fourth Proportional to 4,621.09, 6,931.64 and 1,158.34

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Solution

The fourth proportional to 4,621.09, 6,931.64 and 1,158.34 is: 1,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.09 : 6,931.64 = 1,158.34 : x
  2. Step 2: Convert to fraction form
    4,621.09/6,931.64 = 1,158.34/x
  3. Step 3: Cross multiply
    4,621.09x = 6,931.64 × 1,158.34
  4. Step 4: Simplify right side
    4,621.09x = 8,029,195.88
  5. Step 5: Solve for x
    x = 8,029,195.88/4,621.09
  6. Step 6: Final answer
    x = 1,737.51

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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.