Home / 4,145.42-6,219.34-1,547.76

Finding the Fourth Proportional to 4,145.42, 6,219.34 and 1,547.76

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Solution

The fourth proportional to 4,145.42, 6,219.34 and 1,547.76 is: 2,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.42 : 6,219.34 = 1,547.76 : x
  2. Step 2: Convert to fraction form
    4,145.42/6,219.34 = 1,547.76/x
  3. Step 3: Cross multiply
    4,145.42x = 6,219.34 × 1,547.76
  4. Step 4: Simplify right side
    4,145.42x = 9,626,045.68
  5. Step 5: Solve for x
    x = 9,626,045.68/4,145.42
  6. Step 6: Final answer
    x = 2,322.09

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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.