Home / 5,647.30-8,458.80-4,675.30

Finding the Fourth Proportional to 5,647.30, 8,458.80 and 4,675.30

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Solution

The fourth proportional to 5,647.30, 8,458.80 and 4,675.30 is: 7,002.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.30 : 8,458.80 = 4,675.30 : x
  2. Step 2: Convert to fraction form
    5,647.30/8,458.80 = 4,675.30/x
  3. Step 3: Cross multiply
    5,647.30x = 8,458.80 × 4,675.30
  4. Step 4: Simplify right side
    5,647.30x = 39,547,427.64
  5. Step 5: Solve for x
    x = 39,547,427.64/5,647.30
  6. Step 6: Final answer
    x = 7,002.89

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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.