Home / 5,248.23-7,873.10-1,916.70

Finding the Fourth Proportional to 5,248.23, 7,873.10 and 1,916.70

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Solution

The fourth proportional to 5,248.23, 7,873.10 and 1,916.70 is: 2,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.23 : 7,873.10 = 1,916.70 : x
  2. Step 2: Convert to fraction form
    5,248.23/7,873.10 = 1,916.70/x
  3. Step 3: Cross multiply
    5,248.23x = 7,873.10 × 1,916.70
  4. Step 4: Simplify right side
    5,248.23x = 15,090,361.19
  5. Step 5: Solve for x
    x = 15,090,361.19/5,248.23
  6. Step 6: Final answer
    x = 2,875.32

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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.