Home / 7,228.19-9,970.59-4,570.99

Finding the Fourth Proportional to 7,228.19, 9,970.59 and 4,570.99

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Solution

The fourth proportional to 7,228.19, 9,970.59 and 4,570.99 is: 6,305.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.19 : 9,970.59 = 4,570.99 : x
  2. Step 2: Convert to fraction form
    7,228.19/9,970.59 = 4,570.99/x
  3. Step 3: Cross multiply
    7,228.19x = 9,970.59 × 4,570.99
  4. Step 4: Simplify right side
    7,228.19x = 45,575,459.40
  5. Step 5: Solve for x
    x = 45,575,459.40/7,228.19
  6. Step 6: Final answer
    x = 6,305.24

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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.