Home / 5,070.47-7,605.75-1,783.59

Finding the Fourth Proportional to 5,070.47, 7,605.75 and 1,783.59

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Solution

The fourth proportional to 5,070.47, 7,605.75 and 1,783.59 is: 2,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.47 : 7,605.75 = 1,783.59 : x
  2. Step 2: Convert to fraction form
    5,070.47/7,605.75 = 1,783.59/x
  3. Step 3: Cross multiply
    5,070.47x = 7,605.75 × 1,783.59
  4. Step 4: Simplify right side
    5,070.47x = 13,565,539.64
  5. Step 5: Solve for x
    x = 13,565,539.64/5,070.47
  6. Step 6: Final answer
    x = 2,675.40

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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.