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Finding the Fourth Proportional to 6,848.79, 9,455.40 and 4,495.05

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Solution

The fourth proportional to 6,848.79, 9,455.40 and 4,495.05 is: 6,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,848.79 : 9,455.40 = 4,495.05 : x
  2. Step 2: Convert to fraction form
    6,848.79/9,455.40 = 4,495.05/x
  3. Step 3: Cross multiply
    6,848.79x = 9,455.40 × 4,495.05
  4. Step 4: Simplify right side
    6,848.79x = 42,502,495.77
  5. Step 5: Solve for x
    x = 42,502,495.77/6,848.79
  6. Step 6: Final answer
    x = 6,205.84

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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.