Home / 7,541.42-11,312.90-2,611.05

Finding the Fourth Proportional to 7,541.42, 11,312.90 and 2,611.05

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Solution

The fourth proportional to 7,541.42, 11,312.90 and 2,611.05 is: 3,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.42 : 11,312.90 = 2,611.05 : x
  2. Step 2: Convert to fraction form
    7,541.42/11,312.90 = 2,611.05/x
  3. Step 3: Cross multiply
    7,541.42x = 11,312.90 × 2,611.05
  4. Step 4: Simplify right side
    7,541.42x = 29,538,547.55
  5. Step 5: Solve for x
    x = 29,538,547.55/7,541.42
  6. Step 6: Final answer
    x = 3,916.84

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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.