Home / 5,070.25-7,605.38-1,607.50

Finding the Fourth Proportional to 5,070.25, 7,605.38 and 1,607.50

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Solution

The fourth proportional to 5,070.25, 7,605.38 and 1,607.50 is: 2,411.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.25 : 7,605.38 = 1,607.50 : x
  2. Step 2: Convert to fraction form
    5,070.25/7,605.38 = 1,607.50/x
  3. Step 3: Cross multiply
    5,070.25x = 7,605.38 × 1,607.50
  4. Step 4: Simplify right side
    5,070.25x = 12,225,648.35
  5. Step 5: Solve for x
    x = 12,225,648.35/5,070.25
  6. Step 6: Final answer
    x = 2,411.25

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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.