Home / 7,127.10-10,698.48-2,970.06

Finding the Fourth Proportional to 7,127.10, 10,698.48 and 2,970.06

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Solution

The fourth proportional to 7,127.10, 10,698.48 and 2,970.06 is: 4,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.10 : 10,698.48 = 2,970.06 : x
  2. Step 2: Convert to fraction form
    7,127.10/10,698.48 = 2,970.06/x
  3. Step 3: Cross multiply
    7,127.10x = 10,698.48 × 2,970.06
  4. Step 4: Simplify right side
    7,127.10x = 31,775,127.51
  5. Step 5: Solve for x
    x = 31,775,127.51/7,127.10
  6. Step 6: Final answer
    x = 4,458.35

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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.