Home / 4,916.10-7,374.15-4,211.40

Finding the Fourth Proportional to 4,916.10, 7,374.15 and 4,211.40

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Solution

The fourth proportional to 4,916.10, 7,374.15 and 4,211.40 is: 6,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.10 : 7,374.15 = 4,211.40 : x
  2. Step 2: Convert to fraction form
    4,916.10/7,374.15 = 4,211.40/x
  3. Step 3: Cross multiply
    4,916.10x = 7,374.15 × 4,211.40
  4. Step 4: Simplify right side
    4,916.10x = 31,055,495.31
  5. Step 5: Solve for x
    x = 31,055,495.31/4,916.10
  6. Step 6: Final answer
    x = 6,317.10

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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.