Home / 7,848.74-10,807.58-6,784.62

Finding the Fourth Proportional to 7,848.74, 10,807.58 and 6,784.62

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Solution

The fourth proportional to 7,848.74, 10,807.58 and 6,784.62 is: 9,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.74 : 10,807.58 = 6,784.62 : x
  2. Step 2: Convert to fraction form
    7,848.74/10,807.58 = 6,784.62/x
  3. Step 3: Cross multiply
    7,848.74x = 10,807.58 × 6,784.62
  4. Step 4: Simplify right side
    7,848.74x = 73,325,323.42
  5. Step 5: Solve for x
    x = 73,325,323.42/7,848.74
  6. Step 6: Final answer
    x = 9,342.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.