Home / 4,690.24-7,038.29-1,916.93

Finding the Fourth Proportional to 4,690.24, 7,038.29 and 1,916.93

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Solution

The fourth proportional to 4,690.24, 7,038.29 and 1,916.93 is: 2,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.24 : 7,038.29 = 1,916.93 : x
  2. Step 2: Convert to fraction form
    4,690.24/7,038.29 = 1,916.93/x
  3. Step 3: Cross multiply
    4,690.24x = 7,038.29 × 1,916.93
  4. Step 4: Simplify right side
    4,690.24x = 13,491,931.64
  5. Step 5: Solve for x
    x = 13,491,931.64/4,690.24
  6. Step 6: Final answer
    x = 2,876.60

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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.