Home / 7,557.03-10,417.14-5,312.79

Finding the Fourth Proportional to 7,557.03, 10,417.14 and 5,312.79

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Solution

The fourth proportional to 7,557.03, 10,417.14 and 5,312.79 is: 7,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.03 : 10,417.14 = 5,312.79 : x
  2. Step 2: Convert to fraction form
    7,557.03/10,417.14 = 5,312.79/x
  3. Step 3: Cross multiply
    7,557.03x = 10,417.14 × 5,312.79
  4. Step 4: Simplify right side
    7,557.03x = 55,344,077.22
  5. Step 5: Solve for x
    x = 55,344,077.22/7,557.03
  6. Step 6: Final answer
    x = 7,323.52

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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.