Home / 4,837.80-7,259.10-1,916.20

Finding the Fourth Proportional to 4,837.80, 7,259.10 and 1,916.20

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Solution

The fourth proportional to 4,837.80, 7,259.10 and 1,916.20 is: 2,875.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,837.80 : 7,259.10 = 1,916.20 : x
  2. Step 2: Convert to fraction form
    4,837.80/7,259.10 = 1,916.20/x
  3. Step 3: Cross multiply
    4,837.80x = 7,259.10 × 1,916.20
  4. Step 4: Simplify right side
    4,837.80x = 13,909,887.42
  5. Step 5: Solve for x
    x = 13,909,887.42/4,837.80
  6. Step 6: Final answer
    x = 2,875.25

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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.