Home / 6,838.02-10,238.40-5,368.68

Finding the Fourth Proportional to 6,838.02, 10,238.40 and 5,368.68

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Solution

The fourth proportional to 6,838.02, 10,238.40 and 5,368.68 is: 8,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.02 : 10,238.40 = 5,368.68 : x
  2. Step 2: Convert to fraction form
    6,838.02/10,238.40 = 5,368.68/x
  3. Step 3: Cross multiply
    6,838.02x = 10,238.40 × 5,368.68
  4. Step 4: Simplify right side
    6,838.02x = 54,966,693.31
  5. Step 5: Solve for x
    x = 54,966,693.31/6,838.02
  6. Step 6: Final answer
    x = 8,038.39

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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.