Home / 7,798.85-11,681.31-4,838.01

Finding the Fourth Proportional to 7,798.85, 11,681.31 and 4,838.01

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Solution

The fourth proportional to 7,798.85, 11,681.31 and 4,838.01 is: 7,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.85 : 11,681.31 = 4,838.01 : x
  2. Step 2: Convert to fraction form
    7,798.85/11,681.31 = 4,838.01/x
  3. Step 3: Cross multiply
    7,798.85x = 11,681.31 × 4,838.01
  4. Step 4: Simplify right side
    7,798.85x = 56,514,294.59
  5. Step 5: Solve for x
    x = 56,514,294.59/7,798.85
  6. Step 6: Final answer
    x = 7,246.50

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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.